题目内容
60%X+X=20
X-
X=
.
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 10 |
(1)60%X+X=20,
1.6X=20,
1.6X÷1.6=20÷1.6,
X=12.5;
(2)
X-
X=
,
X=
,
X×6=
×6,
X=
.
1.6X=20,
1.6X÷1.6=20÷1.6,
X=12.5;
(2)
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| 2 |
| 1 |
| 3 |
| 1 |
| 10 |
| 1 |
| 6 |
| 1 |
| 10 |
| 1 |
| 6 |
| 1 |
| 10 |
X=
| 3 |
| 5 |
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